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l= l
keliling persegi = 2p + 2l
62 = 2 (11+l) + 2l
62 = 22 + 2l + 2l
62 = 22 + 4l
62 - 22 = 4l
40 = 4l
l = 10 cm
p = 11 + l
p = 11 + 10
p = 21 cm
jadi nilai panjang yaitu 21 cm sedangkan nilai lebarnya 10cm
jadikan jawaban terbaik ya, terimakasih ^^
L = P - 11
R keliling PP= (2p)+(2l)
62 = (2p)+(2.p-11)
62 = 2p + 2p - 22
62 = 4p - 22
84 = 4p
21 = p
Jadi panjangnya 21 cm
Kalo blh jd solusi terbaik yaaa:D